WHALE MARINE Rear Seaward Water Heater Heat Exchanger 766478947703 Ste 11GALLON 120V 1500W

( Brand: Whale Marine ), ( Part Type: Heat Heater ), ( UPC: 766478947703 )

Review WHALE MARINE Seaward 11gallon 120v Hot Water Heater Rear Heat Exchanger Galv ste fits S1100

The Whale Marine Seaward 11 Gallon 120V 1500W Water Heater with Rear Heat Exchanger and Galvanized Steel Tank (Model number: 766478947703) is a high-performance, compact water heating solution designed specifically for marine applications. This water heater is an essential addition to any vessel, providing hot water for various onboard applications such as showers, sinks, and cabin heating.

The heater features a 1500-watt element that delivers quick and efficient heating performance. It is designed to operate on standard 120V household power, making it easy to install and use on most boats with the necessary electrical infrastructure. The 11-gallon tank capacity provides ample hot water for extended periods, ensuring comfort and convenience during your maritime adventures.

One of the most noteworthy aspects of this water heater is its rear heat exchanger design. This innovative feature allows for the use of seawater as the secondary heating source, significantly reducing the amount of fuel consumed for heating water. The rear heat exchanger also helps to maintain the temperature of the primary water, ensuring a consistent hot water supply even in challenging marine environments.

The tank is constructed from high-quality, corrosion-resistant galvanized steel, ensuring durability and longevity in the harsh marine environment. The exterior of the water heater is finished with a marine-grade powder coat, providing an attractive appearance while also offering protection against the elements.

The Whale Marine Seaward 11 Gallon 120V 1500W Water Heater with Rear Heat Exchanger and Galvanized Steel Tank is designed to meet the demanding requirements of marine applications. With its efficient heating performance, ample capacity, and rugged construction, this water heater is an indispensable addition to any boat or yacht. Whether you're cruising the coastline or sailing across the open sea, this water heater will ensure you have a reliable and consistent supply of hot water for all your onboard needs.

Pros and Cons of buying a Whale Marine Seaward 11-Gallon 120V 1500W Water Heater (Model Number: 766478947703, Rear Heat Exchanger, Galvanized Steel)

a. Compact Size: This water heater is ideal for boats and RVs due to its relatively small size, making it easy to install in limited spaces.

b. Efficient Heating: With a 1500-watt element, it can heat water quickly, which is essential for marine applications where hot water is often in demand.

c. Rear Heat Exchanger: This design allows the unit to be installed in a more convenient location, making it easier to access plumbing and electrical connections.

d. Durable Construction: The galvanized steel exterior provides excellent protection against corrosion, ensuring a long service life in marine environments.

a. Limited Capacity: An 11-gallon water heater may not provide sufficient hot water for larger vessels or RVs with multiple occupants.

b. Higher Power Consumption: Due to its high wattage, this unit may consume more power than smaller, lower-wattage models, potentially increasing energy costs.

c. Potential Temperature Issues: In some cases, the water heater may not maintain a consistent temperature, especially if the demand for hot water is high.

The Whale Marine Seaward 11-Gallon 120V 1500W Water Heater is a suitable choice for boaters and RVers who require a compact, efficient water heating solution with a durable construction. Its rear heat exchanger design makes installation more accessible, and its quick heating capabilities cater to the demand for hot water in marine environments. However, its limited capacity and higher power consumption may not be ideal for larger vessels or those with multiple occupants.

If you're looking for a reliable water heater for your boat or RV and prioritize compact size and quick heating capabilities, the Whale Marine Seaward 11-Gallon 120V 1500W Water Heater could be an excellent option. However, if you require a larger capacity or are concerned about energy consumption, you may want to consider alternative models with lower wattage or larger capacities. Always ensure that the selected water heater is appropriate for your specific application and space constraints.

part # s1100 prices

• $649.34-$705.57

specifications vesselvent:

• for models: S1100
• brand: Whale Marine
• part type: Heat Heater
• upc: 766478947703

shipping vesselvent:

• carrier: UPS, USPS
• service: UPS Ground, USPS Ground Advantage, USPS Priority Mail, USPS Priority Mail Express
• transit: 4-10 Days
• class: Standard, Expedited
• cost: $55.79
• type: Calculated

offer vesselvent:

• options: Ship-to-home
• sold: 0
• quantity: 5
• availability: In Stock
• started: January 6, 2026

returns vesselvent:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

payments vesselvent:

• other
• wallet: Google-pay
• credit card: Visa

general vesselvent:

• Parts Accessories > Boat Parts > Plumbing Ventilation
• condition: New

seller vesselvent:

• rating: 99.2%
• # reviews: 75349

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